EP 1812905 B1 20190703 - BIT-ACCURATE FILM GRAIN SIMULATION METHOD BASED ON PRE-COMPUTED TRANSFORMED COEFFICIENTS
Title (en)
BIT-ACCURATE FILM GRAIN SIMULATION METHOD BASED ON PRE-COMPUTED TRANSFORMED COEFFICIENTS
Title (de)
BITPRÄZISES VERFAHREN ZUM SIMULIEREN VON FILMKÖRNIGKEIT AUF DER BASIS VORAUSBERECHNETER TRANSFORMIERTER KOEFFIZIENTEN
Title (fr)
PROCEDE DE SIMULATION DE GRAIN DE FILM PRECIS AU BIT BASE SUR DES COEFFICIENTS TRANSFORMES PRECALCULES
Publication
Application
Priority
- US 2005038802 W 20051026
- US 62883704 P 20041117
Abstract (en)
[origin: WO2006055208A1] Bit-accurate creation of a film grain pattern occurs by first establishing a set of bit-accurate transformed coefficients. The set of bit-accurate transformed coefficients undergo frequency filtering and a subsequent bit-accurate inverse transformation to yield the film grain pattern.
IPC 8 full level
G06T 5/00 (2006.01); H04N 19/60 (2014.01); G06T 5/10 (2006.01); H04N 19/00 (2014.01); H04N 19/117 (2014.01); H04N 19/136 (2014.01); H04N 19/176 (2014.01); H04N 19/189 (2014.01); H04N 19/46 (2014.01); H04N 19/625 (2014.01); H04N 19/80 (2014.01); H04N 19/85 (2014.01)
CPC (source: EP KR US)
G06T 5/10 (2013.01 - EP US); G06T 5/70 (2024.01 - EP US); G06T 9/00 (2013.01 - KR); H04N 19/117 (2014.11 - EP US); H04N 19/136 (2014.11 - EP US); H04N 19/176 (2014.11 - EP US); H04N 19/46 (2014.11 - EP US); H04N 19/80 (2014.11 - EP US); H04N 19/85 (2014.11 - EP US); G06T 2207/10016 (2013.01 - EP US); G06T 2207/20052 (2013.01 - EP US); G06T 2207/20204 (2013.01 - EP US)
Citation (examination)
ÖKTEM R ET AL: "Transform domain algorithm for reducing effect of film-grain noise in image compression", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 35, no. 21, 14 October 1999 (1999-10-14), pages 1830 - 1831, XP006012837, ISSN: 0013-5194, DOI: 10.1049/EL:19991261
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006055208 A1 20060526; AU 2005306936 A1 20060526; AU 2005306936 B2 20110210; BR PI0517759 A 20081021; BR PI0517759 B1 20170912; CA 2587117 A1 20060526; CA 2587117 C 20140211; CN 101057258 A 20071017; EP 1812905 A1 20070801; EP 1812905 B1 20190703; ES 2739452 T3 20200131; HU E044545 T2 20191028; JP 2008521345 A 20080619; JP 4965454 B2 20120704; KR 101169826 B1 20120803; KR 20070084287 A 20070824; MX 2007005651 A 20070605; MY 140149 A 20091130; PL 1812905 T3 20191031; PT 1812905 T 20190806; RU 2007122487 A 20081227; RU 2372659 C2 20091110; TR 201911138 T4 20190821; US 2007269125 A1 20071122; US 9098916 B2 20150804; ZA 200703946 B 20080827
DOCDB simple family (application)
US 2005038802 W 20051026; AU 2005306936 A 20051026; BR PI0517759 A 20051026; CA 2587117 A 20051026; CN 200580038653 A 20051026; EP 05824623 A 20051026; ES 05824623 T 20051026; HU E05824623 A 20051026; JP 2007543075 A 20051026; KR 20077011147 A 20051026; MX 2007005651 A 20051026; MY PI20055350 A 20051116; PL 05824623 T 20051026; PT 05824623 T 20051026; RU 2007122487 A 20051026; TR 201911138 T 20051026; US 66762905 A 20051026; ZA 200703946 A 20051026